Upgrading To Acs Versions 8.7F, 8.7G, 8.7L, And 8.7S; Rolling Upgrade Procedure - HP StorageWorks HSG80 Array Controller V8.7 Maintenance And Service Manual

• Shutdown Upgrade—This method requires the halting of I/O activity to the
controllers during the upgrade. Both controllers are shut down during the upgrade
procedure. Units are not available to the host system during this time. Before
upgrading the controller software, the host system must be prepared for this by
dismounting units or by shutting down the host system.
After determining the upgrade method, carefully follow the procedure for this method.
CAUTION: Before attempting the upgrade procedure, verify that the subsystem is in a
stable state. This can be verified by examining the controller reset button and the
adjacent LEDs. The reset button should be flashing, while all LEDs should be off (no
light). Failure to perform this verification may result in the loss of data or leave the
controller in an unusable state.

Upgrading to ACS Versions 8.7F, 8.7G, 8.7L, and 8.7S

Use this section only when upgrading to ACS Version 8.7F, 8.7G, 8.7L, and 8.7S.
ACS Version 8.7P is upgraded using the procedures in the "Upgrading to ACS Version
8.7P Software."

Rolling Upgrade Procedure

This upgrade procedure applies to dual-redundant controller configurations only, and
allows the disk to be accessible during the upgrade process with minimal disruption.
For single-controller configurations, see the "Shutdown Upgrade Procedure." Specific
controllers are referred to as Controller A or Controller B during the procedure. For
clarity, the CLI prompts illustrated in the procedure use HSGA> and HSGB> to
indicate which controller (A or B) is used.
IMPORTANT: The steps must be followed carefully for the upgrade procedure to work properly.
This procedure takes approximately 5 to 10 minutes depending upon the complexity of the
configuration. The units involved are briefly unavailable twice during the procedures for
approximately 10 to 20 seconds in step 12 and step 14.
1. Connect a PC or terminal to the maintenance port of Controller A.
CAUTION: Each controller in a dual-redundant configuration should be at least 50%
idle before attempting a rolling upgrade. Failure to do so may result in some jobs being
dropped during the upgrade.
2. Run VTDPY to verify the utilitzation of each controller by entering the following:
HSGA> run VTDPY
HSG80 Array Controller V8.7 Maintenance and Service Guide
Upgrading the Subsystem
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